130-28176 Parallax Inc, 130-28176 Datasheet - Page 72

• Manufacturer Part Number: 130-28176
• Description: KIT PARTS PROCESS CONTROL
• Manufacturer: Parallax Inc

Specifications of 130-28176

• Accessory Type: Education Kit
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: Board of Education Full Kit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Analyzing what is occurring with reference to Figure 3-13:
As the potentiometer is adjusted from minimum to maximum, the transistor goes from
cutoff through the active region to saturation.
•
•
•
•
•
the opposite of it? Does the voltage at V
potentiometer or only over a portion of movement?
As V
I
As I
V
The voltage drop across the transistor Collector to Emitter (V
V
So, as V
B
RC
CE
increasing leads to increased current in the collector (I
C
= 5 V−V
= I
P
is increased, more voltage is dropped across the collector resistor R
increases in voltage, the current through the base (I
C
p
R
increases, V
C
RC
CE
decreases over a certain range.
CE
change over the full movement of the
C
B
).
) increases.
CE
) must decrease.
Figure 3-13
C
.